{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-21-095489","form_type":"8-K","ticker":"SCCO","cik":"0001001838","company_name":"SOUTHERN COPPER CORP/","filed_at":"2021-07-23T23:59:59+00:00","discovered_at":"2026-05-14T18:04:16.786794+00:00","generated_at":"2026-06-30T02:49:44.838037+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Southern Copper director MacGregor resigns, Ariztegui appointed to audit committee","bullets":["Rafael MacGregor Anciola resigned as director and audit committee member effective July 21, 2021, to pursue other interests.","No disagreement between MacGregor and Southern Copper or its management.","Board appointed Vicente Ariztegui Andreve to fill the vacant audit committee seat on July 22, 2021.","Company expressed gratitude for MacGregor's service."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-21-095489","json":"https://secwatch.observer/filing/0001104659-21-095489.json","markdown":"https://secwatch.observer/filing/0001104659-21-095489.md","text":"https://secwatch.observer/filing/0001104659-21-095489.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1001838/000110465921095489/0001104659-21-095489-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1001838/000110465921095489/tm2123160d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T02:49:44.838037+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"1f427d42a9","claim":"Rafael MacGregor Anciola resigned as Director at SOUTHERN COPPER CORP/.","evidence_excerpt":"learned of the resignation of Mr. Rafael MacGregor Anciola as a director and as a member of the Audit Committee of the Company effective July 21, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1001838/000110465921095489/0001104659-21-095489-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}